The Mitsubishi Eclipse is a four-seat sports coupe that has been in production since 1989 in United States, Canada and Taiwan. The Eclipse has undergone four distinct generations: the first two generations (1G and 2G) are closely related and share many parts, whereas the third generation (3G) is based on a new platform and most parts are incompatible with 1G and 2G Eclipses. The fourth generation (4G) Eclipse was made available in May 2005.

The following electrical system troubleshooting and wiring diagram manual apply for Mitsubishi Eclipse 1997 – 1999 model years. This manual is subdivided into various group categories and each section contains diagnostics, disassembly, repair, and installation procedures along with complete specifications and tightening references. This manual covers detail discussion on harness connector inspection procedures, how to diagnose, electrical components location (fusible link and fuse), configuration diagrams, circuit diagrams, engine electrical, chassis electrical and index.